the u.s. commander in afghanistan faces tough challenges. among them, republicans questioning whether he is the right man for the job. >> with the u.s. looking forward to december 31st, 2014, the day combat forces are leaving afghanistan for good, marine corps general dunford will probably be the last to run it. you lead a regiment of 6000 troops into iraq in 2003 and but he spent much of his year -- career in the pentagon. >> a much personal time have you had in afghanistan? >> i have not served an assignment in afghanistan. >> dunford will have to manage the politics in washington and kabul when it comes to recommending how quickly forces should withdraw. >> i look at the strength of the enemy, the capabilities of the afghans security forces. >> president obama has not decided how many will stay in the country or, for that matter, what they will be doing. once the decision has been made, it will be up to general dunford to make sure the plan works and the work of the last 12 years is not und